Bus



FIG. 1 is a front and right-side perspective view of the bus in accordance with my new design;

FIG. 2 is a rear and left side perspective view thereof;

FIG. 3 is a left-side elevation view thereof;

FIG. 4 is a right-side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a front elevation view thereof; and,

FIG. 7 is a rear elevation view thereof.

The broken lines shown in the drawings illustrate portions of the bus that form no part of the claimed design. 

CLAIM The ornamental design for a bus, as shown and described. 